// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using System.Diagnostics;
using JetBrains.Annotations;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Storage;

namespace Microsoft.EntityFrameworkCore.Metadata.Internal
{
    /// <summary>
    ///     This is an internal API that supports the Entity Framework Core infrastructure and not subject to
    ///     the same compatibility standards as public APIs. It may be changed or removed without notice in
    ///     any release. You should only use it directly in your code with extreme caution and knowing that
    ///     doing so can result in application failures when updating to a new Entity Framework Core release.
    /// </summary>
    public class ColumnMapping : Annotatable, IColumnMapping
    {
        /// <summary>
        ///     This is an internal API that supports the Entity Framework Core infrastructure and not subject to
        ///     the same compatibility standards as public APIs. It may be changed or removed without notice in
        ///     any release. You should only use it directly in your code with extreme caution and knowing that
        ///     doing so can result in application failures when updating to a new Entity Framework Core release.
        /// </summary>
        public ColumnMapping(
            [NotNull] IProperty property,
            [NotNull] Column column,
            [CanBeNull] RelationalTypeMapping typeMapping,
            [NotNull] TableMapping tableMapping)
        {
            Property = property;
            Column = column;
            TypeMapping = typeMapping;
            TableMapping = tableMapping;
        }

        /// <inheritdoc/>
        public virtual IProperty Property { get; }

        /// <inheritdoc/>
        public virtual IColumn Column { get; }

        /// <inheritdoc/>
        public virtual RelationalTypeMapping TypeMapping { get; }

        /// <inheritdoc/>
        public virtual ITableMapping TableMapping { get; }

        /// <summary>
        ///     This is an internal API that supports the Entity Framework Core infrastructure and not subject to
        ///     the same compatibility standards as public APIs. It may be changed or removed without notice in
        ///     any release. You should only use it directly in your code with extreme caution and knowing that
        ///     doing so can result in application failures when updating to a new Entity Framework Core release.
        /// </summary>
        public override string ToString() => this.ToDebugString(MetadataDebugStringOptions.SingleLineDefault);

        /// <inheritdoc/>
        IColumnBase IColumnMappingBase.Column
        {
            [DebuggerStepThrough]
            get => Column;
        }

        /// <inheritdoc/>
        ITableMappingBase IColumnMappingBase.TableMapping
        {
            [DebuggerStepThrough]
            get => TableMapping;
        }
    }
}
